CN102216693A - Integrated heating device for storage water heater - Google Patents
Integrated heating device for storage water heater Download PDFInfo
- Publication number
- CN102216693A CN102216693A CN2009801276247A CN200980127624A CN102216693A CN 102216693 A CN102216693 A CN 102216693A CN 2009801276247 A CN2009801276247 A CN 2009801276247A CN 200980127624 A CN200980127624 A CN 200980127624A CN 102216693 A CN102216693 A CN 102216693A
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- Prior art keywords
- water
- heating device
- supplementary heating
- storage
- heater
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 147
- 238000010438 heat treatment Methods 0.000 title claims abstract description 49
- 238000003860 storage Methods 0.000 title claims abstract description 8
- 230000001012 protector Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004210 cathodic protection Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/121—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using electric energy supply
- F24H1/122—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using electric energy supply combined with storage tank
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/238—Flow rate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/355—Control of heat-generating means in heaters
- F24H15/37—Control of heat-generating means in heaters of electric heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
- F24H9/133—Storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The present invention refers to a supplementary heating device for a storage water heater (8) which is designed to be located inside a water heater and is designed to heat the water drawn from the tank (1) only when needed.
Description
Technical field
The present invention relates to a kind of supplementary heating device that can improve the performance of water heater, particularly storage-type electric water heater.
Therefore the present invention belongs to the part with electric power heating health hot water device field, and the equipment of two types is arranged in this field usually: storage-type electric water heater and directly-heating type water heater, every kind of water heater all has its certain benefits and shortcoming.
Background technology
Storage-type electric water heater has the advantage that can distribute in a large number at the water of a predetermined temperature, thereby, though use the power (for example, the power in the most normal model of using of Italy is 1200W) of relatively small amount can satisfy many users' hot water demand simultaneously.
Though be by the constant temperature blender or simply the knob by the rotating switch tap obtain current, all can regulate the temperature of the water of supplying with by these equipment very simply.
Yet shortcoming is need be with filling the amount that is contained in the hot water in the storage tank in many hours again; In addition, although there is insulation material to exist on the wall of water tank, these water heaters are all suffered a large amount of heat loss.
The advantage of directly-heating type water heater is by the heating of only that the user is required water, supplies with at the water of desired temperature immediately and does not limit the quantity of.
Shortcoming is that it uses quite high power level, even each needs that only satisfy a user.
Another shortcoming is, when the low current (with respect to the highest current) of needs, it is more difficult that the adjusting of temperature can become, and it sees through only in time adjusts heating power and reach; In direct-heating type electric heater's situation, the power of home-use water heater can easily reach about 10kW or or even 20kW, do not produce when being difficult in the on-off of resistance and cause radio interference or power surge.
The water heater of these types is familiar with for a long time with the expert of above-mentioned relevant feature for this area, does not therefore need to remake to be described in detail.
Substantially; the composed component of storage-type electric water heater comprises the flange that heating element heater (normally Feng Zhuan heating element heater) is installed on water tank and its,, temperature control equipment (normally being provided with the thermostat of one or more temperature sensors), water inlet pipe and the outlet pipe of the water that accumulates (be respectively applied for and be transported to user's hot water) and essential safety and erosion protection system (electrode of using as magnesium anode or cathodic protection) from water main's cold water.
Cold water flows in the water tank by the water inlet pipe in the water heater bottom, and the water that accumulates of heating is extracted out from the top of water tank by outlet pipe.
In these years, attempted avoiding at present known FAQs about storage-type electric water heater already, one of them of these problems is present in by the caused heat loss of the high-temperature gradient in water tank.In fact, when mean temperature and the heat energy that accumulates were identical respectively, higher thermograde can cause bigger heat loss and the energy loss of Geng Gao.
In order to make the more uniform temperature in water heater, usually water tank add hot water than lower part, see through with resistance on them flexing to reduce the height of resistance.Described purpose is reached for AN2004A000009 number by disclosures in Italian patent application, and this application the also inconvenience that might reduce to mix, improves mean temperature, is increased in the distributed water yield of correct serviceability temperature except that reaching described purpose.
Certainly, a kind of method of conspicuous limit heat losses is that the temperature of the water that will accumulate keeps low as far as possible, only when needs just with the water heating, but another intrinsic difficulty of the water heater of this heating element heater that is provided with encapsulation is at a moment of drawing water water to be heated at last to have any problem.The invention that this difficulty is narrated by two italian patents that the applicant had of present patent application has partly solved.
Italian patent relates in particular to the resistance that is printed on the outlet pipe No. 1315636, and it is designed for finishes when the user needs water being transferred the heating of water.The shortcoming of this invention is in pumping phase, not allly all be transferred in the water that is transferred by the heat that printed resistor produced, but the heat of part also is transferred to the water that remains in the storage tank.
Italian patent also comprises the accessory part that is installed in outside the storage tank for No. 1345037, and this accessory part is as the later stage heater, and it also is in order to increase the temperature of the water that is transported to the user at a moment of drawing water and to design.The difficulty of this scheme need to be extra one-tenth to buy and installed this accessory part originally.
Summary of the invention
The objective of the invention is to solve at least a portion of above-mentioned difficulties, a kind of device that can limit shortcoming separately in conjunction with the benefit of storage-type electric water heater and directly-heating type water heater is provided.Specifically, the object of the present invention is to provide a kind of device, this device can reduce the temperature that is contained in the water in the storage-type electric water heater and the minimizing that causes heat loss, therefore, guarantee that the user obtains the performance of traditional storage-type electric water heater, and only when actual needs, carry water in desired temperature.
These and other will be realized by the supplementary heating device that is positioned at water tank according to claim 1 in the purpose that becomes clear and definite subsequently.
Description of drawings
By the narration of following preferred embodiment, describe in conjunction with the accompanying drawings according to claim and with example and infinite mode, will determine supplementary features of the present invention better, in the drawings:
Fig. 1 is the sectional view of the water tank of storage-type electric water heater, comprising supplementary heating device according to the present invention;
Fig. 2 is the perspective view of the flange of this storage-type electric water heater, and this flange is installed in according in the supplementary heating device of the present invention; And
Fig. 3 is the sectional view according to supplementary heating device of the present invention.
Now use the drawing reference numeral in the accompanying drawing to narrate feature of the present invention.
The specific embodiment
With reference to Fig. 1, the drawing reference numeral 1 among the figure has been represented the water tank of storage-type electric water heater, and it is provided with the flange 2 of the under shed that is designed to close described water tank 1.
In an illustrated embodiment, chamber 8.a sets up in container 8.b, and in fact this container 8.b has represented the shell (envelope) of supplementary heating device 8.
The water that is drawn out of leaves from chamber 8.a by the 3rd pipe 7, and the 3rd pipe has initial top (initialupper section) 7.b, and this initial top is crossed most of chamber 8.a and had the water inlet end 7.a at the top of pointing to chamber 8.a.The function that the 3rd pipe 7 is carried out as the water flow pipes of chamber 8.a.
Also be provided with resistance 9 in chamber 8.a, this resistance preferably is the shape of snakelike or spiral, and it is used to heat the water of crossing chamber 8.a.At a moment of drawing water, resistance 9 is started by flow sensor apparatus 10.
The water inlet end of the water side 6.d of second pipe 6 and the 3rd pipe 7 is provided with like this, causes and can heat these water by resistance 9 so that make water be retained in the time maximization among the chamber 8.a.
In gross, the water of the required extraction of user must be crossed chamber 8.a, and this chamber only is connected with water tank 1 by pipe 6 again and only manages 7 by the 3rd and is connected with the outside.
As a result, the design according to storage-type electric water heater of the present invention and other known storage-type electric water heaters is identical in appearance; More particularly, be connected in the waterpower of water inlet and delivery port and can be identical and be in identical common position.
Among the embodiment shown in the figure, be the cavity of the shell be made up of container 8.b according to the chamber 8.a of the supplementary heating device 8 of the object of the invention, this chamber is supported by the flange 2 as basal surface.
Container 8.b is connected with 6 welding of second pipe or by other bindiny mechanism.
The 3rd pipe 7 is included in the part 7.c and the part 7.b in chamber 8.a of water heater outside, and this part 7.b ends at the last hole 7.a at the top that is positioned at chamber 8.a.
Therefore, according to the embodiment shown in the figure, the water that is transported to the user at first flows to the top of described chamber 8.a from the bottom, surround resistance 9, in an illustrated embodiment, this resistance is snakelike, and it is around the lower part 6.c of second pipe 6 and the described interior part 7.b of the 3rd pipe 7.
Owing to supplementary heating device 8 is arranged, the water that accumulates in the water tank 1 can be remained on than the low temperature of the desired temperature of user, because supplementary heating device 8 only just carries out water is heated to the processing of serviceability temperature when needing water.
For this purpose, when water is drawn out of, by flow sensor apparatus, as the startup of the snakelike resistance 9 of flow switch or pressure switch control supplementary heating device 8.Drawing reference numeral 10 has been represented this flow sensor apparatus, this flow sensor apparatus is except the snakelike resistance 9 that starts supplementary heating device 8, side by side can also be by acting on the switch that does not show in the drawings, the resistance 4 of the storage tank of stopping using is to avoid extra energy loss.
The benefit of supplementary heating device 8 is that it can build a kind of storage-type electric water heater, the water that wherein common resistance 4 will accumulate in the water tank 1 is heated to the maintenance temperature low than the desired temperature of user in advance, and only in transporting water, arriving serviceability temperature, wherein extra heat is provided by supplementary heating device 8.As a result, limited energy loss and reduced heat loss in water tank, because compare with the temperature of the water that is assigned with, the temperature that accumulates in the water in the water tank is lower.As an example, if the user wishes that water is transferred and water in storage tank only is heated to 35 ℃ at 40 ℃, the heat loss when 20 ℃ room temperature can reduce 25%.
In like manner, will rise to 40 ℃ of desired power from 35 ℃ in the water temperature of washbowl (washbasin) and be approximately 2kW.
In addition, the water that accumulates in the water tank 1 keeps temperature the gathering of lime that be equivalent to slow down low; Simultaneously, in supplementary heating device 8, wherein water temperature never surpasses 55 ℃, and the risk that lime is set up is quite low.
Be clear that, under the prerequisite that does not break away from the intrinsic innovation concept of the present invention destination device of the present invention being made various modification is possible to one skilled in the art, and be clear that, in embodiments of the present invention, above-mentioned various parts can be replaced by the technical element that is equal to.
For example, storage-type electric water heater was usually narrated already in this article, but did not stop identical instruction can be applied to the storage-type gas heater at all, and the heater of the water that wherein accumulates is represented by gas burner rather than one or more resistance.
Similarly, be clear that also that container 8.b can be with any material manufacturing that is suitable for as the shell of supplementary heating device 8, as metal, plastics, foamed material or insulating materials.
In a modification of the present invention, cause the extra temperature of water boiling and produce noise for fear of arrival, also might make the temperature of the snakelike resistance 9 of supplementary heating device 8 keep being brought under control by thermal protector safe in utilization.
In addition, also can comprise the device (not shown) that links together with flow sensor apparatus 10, when drawing water, also can use known means to regulate the serviceability temperature of power to control temperature and the water that is transferred to be reached acquiescence of resistance 9.Because the electrical power of resistance 9 is electrical power about 20% that equate the directly-heating type water heater of performance, it can be conditioned without difficulty.
Claims (8)
1. the supplementary heating device (8) of the water heating that will in the water tank (1) of storage-type electric water heater, accumulate,
Described device (8) is designed to be positioned within the described water tank (1) and comprises:
-chamber (8.a);
-enter the inflow pipe (6 of described chamber (8.a); 6.c);
-leave the effuser (7 of described chamber (8.a); 7.b); And
-be contained in the resistance (9) in the described chamber (8.a), in the time of needs water, described resistance (9) is controlled by flow sensor apparatus (10).
2. supplementary heating device as claimed in claim 1 (8), it is characterized in that, described inflow pipe (6) has lower part (6.c), described lower part is provided with the water side (6.a) of the bottom of pointing to described chamber (8.a), and described effuser (7) has top (7.b), and described top is provided with the water side (7.a) at the top of pointing to described chamber (8.a).
3. supplementary heating device as claimed in claim 1 or 2 (8) is characterized in that, the flange (2) of described supplementary heating device and storage-type electric water heater combines.
4. as each described supplementary heating device (8) in the above-mentioned claim, it is characterized in that described resistance (9) centers on the described lower part (6.c) of described inflow pipe (6) and the described top (7.b) of described effuser (7) with serpentine shaped.
5. as each described supplementary heating device (8) in the above-mentioned claim, it is characterized in that, be provided with the device of adjusting by the power of described resistance (9) supply of described supplementary heating device (8), described adjusting device is relevant with described flow sensor apparatus (10) and can make the serviceability temperature of water arrive default value.
6. each described supplementary heating device (8) as in the above-mentioned claim is characterized in that, thermal protector safe in utilization so that the temperature of the described resistance (9) of described supplementary heating device (8) keep being brought under control.
7. storage-type electric water heater comprises:
-storage tank (1);
-accumulate in the heater (4) of the water in the described water tank (1);
-accumulate in the adjusting device (3) of the temperature of the water in the described water tank (1);
-have a cold water inlet (5) of the water side of the bottom that is located at described water tank (1); And
-be transported to user's hot water outlet pipe (6,7),
It is characterized in that this storage-type electric water heater has additional as each described supplementary heating device (8) in the claim 1 to 6.
8. as the described storage-type electric water heater of last claim, it is characterized in that flow sensor apparatus (10) can side by side stop using the described heater (4) of the water that accumulates by switch except that the resistance (9) that starts described supplementary heating device (8).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000017U ITAN20080017U1 (en) | 2008-07-11 | 2008-07-11 | INTEGRATED HEATING DEVICE FOR ACCUMULATION WATER HEATER |
| ITAN2008U000017 | 2008-07-11 | ||
| PCT/IB2009/005701 WO2010004380A2 (en) | 2008-07-11 | 2009-05-19 | Integrated heating device for storage water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102216693A true CN102216693A (en) | 2011-10-12 |
Family
ID=41507490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801276247A Pending CN102216693A (en) | 2008-07-11 | 2009-05-19 | Integrated heating device for storage water heater |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN102216693A (en) |
| IT (1) | ITAN20080017U1 (en) |
| RU (1) | RU2519115C2 (en) |
| WO (1) | WO2010004380A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110945296A (en) * | 2017-06-08 | 2020-03-31 | 瑞美制造公司 | High-efficiency gas water heater |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3156739A1 (en) * | 2015-10-14 | 2017-04-19 | Helmut Schmiedbauer-Wenig | Water tank |
| RU2664324C1 (en) * | 2017-05-02 | 2018-08-16 | Аубекир Махмутович Байрамуков | Storage-demand water heater |
| RU2697215C1 (en) * | 2018-08-17 | 2019-08-13 | Алим Аубекирович Байрамуков | Thermosiphon electric water heater with accumulation tank |
| DE102018127305A1 (en) * | 2018-10-31 | 2020-04-30 | Magontec Gmbh | Electric heater element with an electrically operated heating element and an anode for cathodic corrosion protection |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2821474Y (en) * | 2005-06-23 | 2006-09-27 | 美的集团有限公司 | Water storage type electric water heater |
| CN2909093Y (en) * | 2005-09-02 | 2007-06-06 | 郭明康 | Water storage energy-saving quick electric water heater |
| CN200972260Y (en) * | 2006-11-24 | 2007-11-07 | 特莫瓦特(无锡)电器工业有限公司 | Heating pipe of electric water heater |
| CN201050864Y (en) * | 2007-04-10 | 2008-04-23 | 陈振圳 | Secondary heating electric water heater |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD132031A1 (en) * | 1977-02-21 | 1978-08-16 | Walter Foerste | ARRANGEMENT FOR INCREASING THE SAFETY AND LIFE OF HOT WATER STORAGE |
| US4371779A (en) * | 1980-09-19 | 1983-02-01 | Maynard Arthur D | Energy saving water heater control circuit |
| DE3137146C2 (en) * | 1981-09-18 | 1984-04-12 | Eureka, 4407 Emsdetten | Water heater for generating and storing hot water |
| IL70402A0 (en) * | 1983-12-07 | 1984-03-30 | Dawidowitch Shmuel | Electrical element unit for water heaters |
| SU1744377A1 (en) * | 1990-07-09 | 1992-06-30 | Е. В. Бурков и В. В. Шереметьев | Electric water heater |
| RU2089793C1 (en) * | 1994-07-25 | 1997-09-10 | Радченко Сергей Анатольевич | Combined water and gas heater |
| GB0204493D0 (en) * | 2002-02-26 | 2002-04-10 | Strix Ltd | Electric liquid heating appliances |
| RU44373U8 (en) * | 2004-11-02 | 2005-05-10 | Общество с ограниченной ответственностью "ЛЕННОРД - K°" | ELECTRIC HEATER |
| FR2897421B1 (en) * | 2006-02-14 | 2008-12-26 | Cotherm Sa | REGULATED HEATING DEVICE FOR WATER HEATER |
-
2008
- 2008-07-11 IT IT000017U patent/ITAN20080017U1/en unknown
-
2009
- 2009-05-19 RU RU2011105070/06A patent/RU2519115C2/en active
- 2009-05-19 CN CN2009801276247A patent/CN102216693A/en active Pending
- 2009-05-19 WO PCT/IB2009/005701 patent/WO2010004380A2/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2821474Y (en) * | 2005-06-23 | 2006-09-27 | 美的集团有限公司 | Water storage type electric water heater |
| CN2909093Y (en) * | 2005-09-02 | 2007-06-06 | 郭明康 | Water storage energy-saving quick electric water heater |
| CN200972260Y (en) * | 2006-11-24 | 2007-11-07 | 特莫瓦特(无锡)电器工业有限公司 | Heating pipe of electric water heater |
| CN201050864Y (en) * | 2007-04-10 | 2008-04-23 | 陈振圳 | Secondary heating electric water heater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110945296A (en) * | 2017-06-08 | 2020-03-31 | 瑞美制造公司 | High-efficiency gas water heater |
| CN110945296B (en) * | 2017-06-08 | 2021-10-26 | 瑞美制造公司 | High-efficiency gas water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010004380A3 (en) | 2014-07-03 |
| ITAN20080017U1 (en) | 2010-01-12 |
| RU2011105070A (en) | 2012-08-20 |
| WO2010004380A2 (en) | 2010-01-14 |
| RU2519115C2 (en) | 2014-06-10 |
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Application publication date: 20111012 |